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RAPID MICRO BIOSYSTEMS INC-A (RPID) Stock Ownership and Short Interest

USA - NASDAQ:RPID - US75340L1044 - Common Stock

4.21 USD
-0.25 (-5.61%)
Last: 11/14/2025, 8:23:57 PM
4.2 USD
-0.01 (-0.24%)
After Hours: 11/14/2025, 8:23:57 PM
RPID Ownership Chart.RPID Ownership Chart: showing Insider, Institutional ownership and shares available to the public.RPID Ownership.InsiderInstitutionalPublic



Shares Outstanding44.21M
Float35.20M
Float Short Interest Percentage0.92%
Owners (insider)4.1%
Owners (institutional)58.09%
Owners (insider) change5.48%
Owners (institutional) change-24.29%
RPID Institutional Ownership HistoryRPID Institutional Ownership HistoryRPID Institutional Ownership History Sep 2021 Mar 2022 Sep 2022 Mar 2023 Sep 2023 Mar 2024 Sep 2024 Mar 2025 Sep 2025 5M 10M 15M 20M 25M
RPID Historical Insider Transactions ChartRPID Historical Insider Buy and Sell Transactions ChartRPID Historical Insider Transactions Dec 2024 Jan 2025 Feb 2025 Mar 2025 Apr 2025 May 2025 Jun 2025 Jul 2025 Aug 2025 Sep 2025 Oct 2025 Nov 2025 0 100K 200K 300K 400K 500K
Date Name Type Shares Price Amount
Oct 17, 2025 Spignesi Robert G. Jr. Option Excercise 11233 0.75 $ 8,424.75
Oct 17, 2025 Spignesi Robert G. Jr. Option Excercise 6846 3.08 $ 21,085.68
Jul 11, 2025 Spignesi Robert G. Jr. Option Excercise 50290 0.00 $ 0.00
Jul 11, 2025 Spignesi Robert G. Jr. Open Market Sale 23755 3.32 $ 78,979.42
Jul 8, 2025 Spignesi Robert G. Jr. Option Excercise 75433 0.00 $ 0.00
Jul 8, 2025 Spignesi Robert G. Jr. Open Market Sale 33688 3.47 $ 116,976.37
May 22, 2025 PEI MELINDA LITHERLAND Grant 14300 0.00 $ 0.00
May 22, 2025 Kollender Richard S Grant 14300 0.00 $ 0.00
May 22, 2025 Malloy Kirk Grant 14300 0.00 $ 0.00
May 22, 2025 RICCIARDI NATALE S Grant 14300 0.00 $ 0.00
May 22, 2025 LOWENSTEIN INESE Grant 14300 0.00 $ 0.00
Mar 9, 2025 Spignesi Robert G. Jr. Option Excercise 10650 2.39 $ 25,453.50
Mar 9, 2025 WIRTJES SEAN M Option Excercise 7690 2.39 $ 18,379.10
Mar 9, 2025 Wilson John J. Addington Option Excercise 9872 2.39 $ 23,594.08
Feb 18, 2025 Spignesi Robert G. Jr. Grant 365000 0.00 $ 0.00
Feb 18, 2025 Wilson John J. Addington Grant 44000 0.00 $ 0.00
Feb 18, 2025 WIRTJES SEAN M Grant 160000 0.00 $ 0.00
Feb 11, 2025 Wilson John J. Addington Option Excercise 7075 2.68 $ 18,961.00
Feb 11, 2025 WIRTJES SEAN M Option Excercise 4621 2.68 $ 12,384.28
Feb 11, 2025 Spignesi Robert G. Jr. Option Excercise 10755 2.68 $ 28,823.40
Feb 6, 2025 Wilson John J. Addington Option Excercise 4505 3.10 $ 13,965.50
Feb 6, 2025 WIRTJES SEAN M Option Excercise 5891 3.10 $ 18,262.10
Feb 6, 2025 Spignesi Robert G. Jr. Option Excercise 13052 3.10 $ 40,461.20
Dec 3, 2024 PEI MELINDA LITHERLAND Open Market Purchase 20000 1.02 $ 20,363.89
Nov 26, 2024 PEI MELINDA LITHERLAND Open Market Purchase 20000 1.05 $ 20,998.92